+ \else
+ \ifx\XeTeXrevision\thisisundefined
+ \else
+ % For XeTeX
+ {\indexnofonts
+ \turnoffactive
+ \makevalueexpandable
+ % This expands tokens, so do it after making catcode changes, so _
+ % etc. don't get their TeX definitions. This ignores all spaces in
+ % #4, including (wrongly) those in the middle of the filename.
+ \getfilename{#4}%
+ %
+ % This (wrongly) does not take account of leading or trailing
+ % spaces in #1, which should be ignored.
+ \iftxiuseunicodedestname
+ \def\pdfxrefdest{#1}% Pass through Unicode characters.
+ \else
+ \edef\pdfxrefdest{#1}% Replace Unicode characters to ASCII.
+ \fi
+ \ifx\pdfxrefdest\empty
+ \def\pdfxrefdest{Top}% no empty targets
+ \else
+ \txiescapepdf\pdfxrefdest % escape PDF special chars
+ \fi
+ %
+ \leavevmode
+ \ifnum\filenamelength>0
+ % By the default settings,
+ % XeTeX (xdvipdfmx) replaces link destination names with integers.
+ % In this case, the replaced destination names of
+ % remote PDF cannot be known. In order to avoid replacement,
+ % you can use commandline option `-C 0x0010' for xdvipdfmx.
+ \special{pdf:bann << /Border [0 0 0] /Type /Annot /Subtype /Link /A
+ << /S /GoToR /F (\the\filename.pdf) /D (name\pdfxrefdest) >> >>}%
+ \else
+ \special{pdf:bann << /Border [0 0 0] /Type /Annot /Subtype /Link /A
+ << /S /GoTo /D (name\pdfxrefdest) >> >>}%
+ \fi
+ }%
+ \setcolor{\linkcolor}%
+ \fi